Cheapest return flights from Las Vegas to San Juan in January from $180

AirHint found the following cheapest return flights from Las Vegas (LAS) to San Juan (SJU) in January 2026 (see full year).

Return flights

07 Jan - 13 Jan Frontier Airlines
10 Jan - 15 Jan Frontier Airlines
10 Jan - 17 Jan Frontier Airlines
07 Jan - 11 Jan Frontier Airlines
05 Jan - 11 Jan Frontier Airlines
28 Jan - 03 Feb Frontier Airlines
29 Jan - 02 Feb Frontier Airlines
28 Jan - 02 Feb Frontier Airlines
14 Jan - 25 Jan Frontier Airlines
26 Jan - 29 Jan Spirit Airlines
07 Jan - 17 Jan Spirit Airlines
20 Jan - 24 Jan Spirit Airlines
20 Jan - 03 Feb Spirit Airlines
28 Jan - 17 Feb Spirit Airlines
28 Jan - 18 Feb Spirit Airlines
05 Jan - 17 Jan Spirit Airlines
26 Jan - 03 Feb Spirit Airlines
20 Jan - 02 Feb Spirit Airlines
26 Jan - 12 Feb Spirit Airlines
28 Jan - 12 Feb Spirit Airlines

Also check the deals for one-way flights from Las Vegas to San Juan in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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